green roofs , sustainable tree house, ecological landscaping

Discussion in 'Jobs, projects, courses, training, WWOOFing, volun' started by anjan, Nov 28, 2008.

  1. anjan

    anjan Junior Member

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    hi guys,
    i am interested in buidling natural playgrounds and i was wondering where i could take a comprehensive study in the above mentioned areas of ecological design
    cheers !
     

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